Title:
FLEXIBLE ORGANIC EL DISPLAY DEVICE, AND FRONT SURFACE PLATE FOR DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/193599
Kind Code:
A1
Abstract:
Provided is a flexible organic electroluminescence display device comprising a front surface plate positioned on the observer side of the organic electroluminescence display panel, wherein: the front surface panel has a glass substrate that has a thickness of 100 μm or less and is located on the organic electroluminescence display panel, and a resin layer located on the glass substrate; E1/E2 is 1.2 or higher, where E1 is the composite modulus of elasticity in a first direction within the plane of the resin layer, and E2 is the composite modulus of elasticity in a second direction orthogonal to the first direction; and the angle constituted by the first direction and a folding direction of the flexible organic electroluminescence display device is 45-90° (inclusive).
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Inventors:
SATO JUN (JP)
FURUI GEN (JP)
KOBAYASHI ATSUHIRO (JP)
OGAWA YOSHIMASA (JP)
FURUI GEN (JP)
KOBAYASHI ATSUHIRO (JP)
OGAWA YOSHIMASA (JP)
Application Number:
PCT/JP2021/011902
Publication Date:
September 30, 2021
Filing Date:
March 23, 2021
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
B32B17/10; G09F9/30; H01L27/32; H01L51/50; H05B33/02; H05B33/04
Domestic Patent References:
| WO2018226520A1 | 2018-12-13 | |||
| WO2013111672A1 | 2013-08-01 |
Foreign References:
| JP2016517359A | 2016-06-16 | |||
| JP2018163374A | 2018-10-18 |
Attorney, Agent or Firm:
YAMASHITA, Akihiko et al. (JP)
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